Practice question

For New Jersey CDL air-brake testing, what does an application pressure gauge show?

  1. How much pressure is left in the tank
  2. How much air pressure is being delivered to the brake chambers when the brake pedal is pressed
  3. Engine compression
  4. Fuel pressure

Answer: B — How much air pressure is being delivered to the brake chambers when the brake pedal is pressed

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Practice more: NJ CDL Air Brakes Test Practice Questions - New Jersey Commercial Driver License (CDL) Air Brakes Knowledge Test Exam →